21989014760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23901103}}^1$

素因数の和:23901137

約数の個数: 32

約数和(自身を含む): 51626384640

約数和(自身を除く): 29637369880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23901103, 47802206, 95604412, 119505515, 191208824, 239011030, 478022060, 549725369, 956044120, 1099450738, 2198901476, 2748626845, 4397802952, 5497253690, 10994507380, 21989014760]

約数ペア:

[(1, 21989014760), (2, 10994507380), (4, 5497253690), (5, 4397802952), (8, 2748626845), (10, 2198901476), (20, 1099450738), (23, 956044120), (40, 549725369), (46, 478022060), (92, 239011030), (115, 191208824), (184, 119505515), (230, 95604412), (460, 47802206), (920, 23901103)]